Microsoft Windows [Version 6.0.6001](C) Copyright 2006 Microsoft Corp. c:\windows>netsh interface portproxy delete ?
The following commands are available:
Commands in this context:delete v4tov4 - Deletes an entry to listen on for IPv4 and proxy connect to via IPv4.
delete v4tov6 - Deletes an entry to listen on for IPv4 and proxy connect to via IPv6.
delete v6tov4 - Deletes an entry to listen on for IPv6 and proxy connect to via IPv4.
delete v6tov6 - Deletes an entry to listen on for IPv6 and proxy connect to via IPv6.